Entomology: Entomology is the study of insects and their relationship to humans, the environment, and other organisms. Pisciculture: The breeding, rearing, and transplantation of fish by artificial means is called pisciculture, in other words, fish farming. Horticulture: Horticulture is the science and art of the development, sustainable production, marketing, and use of high-value, intensively cultivated food and ornamental plants. Sericulture: Sericulture, or silk farming, is the cultivation of silkworms to produce silk.